—— 请按键盘 空白键 开始游戏 ——

人民有三种忧患:饥饿的得不到食物、寒冷的得不到衣物、劳苦的得不到休息。
The highest endeavor of the mind, and the highest virtue, is to understand things by intuition.
艺术让我得以生存。
Learning is not a passive process; it involves the active construction of knowledge.